KeyboardLayoutMap.size - Web APIs 编辑
Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The size read-only property of the KeyboardLayoutMap interface returns the number of elements in the map.
Syntax
var size = KeyboardLayoutMap.size()
Value
A number.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Keyboard Map The definition of 'size' in that specification. | Editor's Draft | Initial definition. |
Browser compatibility
BCD tables only load in the browser
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